[CodeSheikh]

Questions like these on SO should be taught in CS-101. There are some amazing answers in there that I would have hard time finding in textbooks.

[avmich]

A recommended link from SO article - https://wiki.haskell.org/Parallelism_vs._Concurrency - mentions the following:

"Warning Not all programmers agree on the meaning of the terms 'parallelism' and 'concurrency'. They may define them in different ways or do not distinguish them at all."